[Symposium on dyspnea. Some considerations on mechanisms of dyspnea].
D000368:Aged; D002245:Carbon Dioxide / Q000097:blood; D004417:Dyspnea / Q000209:etiology*; D006801:Humans; D008297:Male; D010100:Oxygen / Q000097:blood; D011652:Pulmonary Circulation; D011656:Pulmonary Emphysema / Q000503:physiopathology*
D002245:Carbon Dioxide; D010100:Oxygen